1. Measure smoke, app push notification
2. Easy to install on the wall or any surface with screws or tape
3. Double detection of smoke and temperature, sound and light alarm, photoelectric maze design
4. Intelligent linkage, alarm monitoring
5. ABS fire retardant material, good heat resistance, impact resistance
6. Efficient self-test, low power warning
7. Operating temperature: 0 to 40 degrees celsius
8. Viewing angle: 110 degrees
9. Battery life: 2500 triggers
10. Sensitive distance: 6 meters
11. Working voltage: 3V
12. Alarm current: 120mA-130mA
13. Power: about 0.36W
14. Power supply mode: built-in CR123A button battery
15. Dimensions: about 85 x 85 x 28mm
16. Weight: about 130g
17. Note: the product needs to be used with a zigbee gateway and cannot be used alone